英语词汇primary standard substance是什么意思，primary standard substance的用法、释义、翻译、读音、例句、短语词组-英汉汉英翻译词典

单词	primary standard substance
释义	primary standard substance　【化】基准物; 基准物质
随便看	girder pass girder pole girder sclerenchyma girder space girder span girder stay girder steel girder truss girders girders girders girding girding girdle girdle girdle girdle girdle anesthesia girdle band girdle pain girdle railway girdle ring girdle sensation girdle structure girdle tests

英汉汉英翻译词典包含1679246条英汉翻译词条，基本涵盖了全部常用英语单词及常用语的翻译及用法，是英语学习及翻译工作的有利工具。